P1456
EVAP System Leak Fuel Tank
2009-2014 Acura TL 3.7L V6
Low SeverityPowertrain
Description
A leak detected in the EVAP system on the fuel tank side.
Symptoms
- CEL
- Fuel odor possible
- Failed emissions
- Intermittent in cold weather
Common Causes
- Loose fuel cap
- Cracked fuel cap gasket
- Faulty ORVR valve
- Damaged EVAP lines
Diagnostic Steps
- Check fuel cap seal
- Smoke test EVAP system
- Inspect tank lines
- Test two-way valve
Repair Notes
Replace fuel cap or repair EVAP leak.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1456 on Other Vehicles
Common Questions
What does code P1456 mean on a 2009-2014 Acura TL?
P1456 stands for "EVAP System Leak Fuel Tank". A leak detected in the EVAP system on the fuel tank side.
What are the symptoms of P1456 on a Acura TL?
Common symptoms of P1456 include: CEL, Fuel odor possible, Failed emissions, Intermittent in cold weather.
What causes P1456 on a 2009-2014 Acura TL?
Common causes of P1456 include: Loose fuel cap, Cracked fuel cap gasket, Faulty ORVR valve, Damaged EVAP lines.